AuctionContract.sol

contract AuctionContract {

    address owner;
    address currentWinner;
    uint minRaise = 1 ether;
    bool isComplete = false;


    function bid() {
        
        if(isComplete) {
            throw;
        }
        
        if(msg.value < this.balance + minRaise) {
            throw;
        }
        
        // return old winner his/her funds
        currentWinner.send(this.balance);
        
        // set the new winner
        currentWinner = msg.sender;
    }
    
    function complete() {
        
        if(msg.sender != owner) {
            throw;
        }
        
        owner.send(this.balance);
        isComplete = true;
    }
    
}